.z-hvr{
  position: relative;
  .oper{
    width: 82px;
    height: 0px!important;
    overflow: hidden;
    position: absolute;
    right: 0;
    top: -20px;
    .iconfont{
      padding-left: 5px;
      color: #999;
      font-size: 18px;
    }
  }
}
.z-hvr:hover .oper{
  height: 29px!important;

}